Polarization Maintaining Band Pass Filter Isolator
Features |
|
Low Insertion Loss High Isolation &High Extinction Ratio High Stability and reliability | |
Application | |
Communication systems |
Specifications：
Parameters | Single Stage or Dual Stage | ||||
Nominal Center Wavelength（nm） | 1064、1550 | ||||
Wavelength Range（nm） | ±1 | ±2.5 | ±4 | ±5 | |
Insertion Loss（dB） | Single Stage ：≤2.40@1064nm, ≤1.30@1550nm Dual Stage ：≤3.60@1064nm, ≤1.40@1550nm | Single Stage ：≤2.30@1064nm, ≤1.20@1550nm Dual Stage ：≤3.50@1064nm, ≤1.30@1550nm | |||
Pass Bandwidth @0.5dB（nm） | 2 | 5 | 8 | 10 | |
Stop Bandwidth @25dB（nm） | 6 or 10 | 12 | 22 | 22 | |
Isolation Isolation（dB） | ≥30@Single Stage, ≥45@Dual Stage | ||||
Wavelength Isolation（dB） | ≥25 | ||||
Extinction Ratio (dB) | Type B (Both of axis working) | ≥20 | |||
Type F (Fast axis blocked) | ≥22 | ||||
Optical Return Loss（dB） | ≥50 | ||||
Optical Power(CW) （mW） | ≤500@1550nm，≤150@1064nm | ||||
Tensile Load（N） | 5 | ||||
Fiber Type | PM980@1064nm, PM1550@1550nm | ||||
Operating Temperature （℃） | -5 to +50@1064nm, -5 to +70@1550nm | ||||
Storage Temperature （℃） | -40 to +85 | ||||
Package Dimension (mm) | φ5.5×L35 or φ5.5×L38 | ||||
*Above specifications are for device without connector.
*For devices with connector,IL will be 0.3dB higher,ER will be 2dB lower and RL will be 5dB lower.
*The PM fiber and the connector key are aligned to the slow axis.
Package Dimensions：
PMBPFI | Wavelength | Isolator Stage Type | Pass Band Width | Stop Band Width | Axis Alignment | Package | Fiber Pigtail | Length | Connector |
PMBPFI | 1064=1064nm 1550=1550nm | S= Single Stage D= Dual Stage | 02=2 nm 05=5nm 08=8nm 10=10nm | 06=6nm 10=10nm 12=12nm 22=22nm | F=Fast Axis Blocked B=Both Axis Working | 0=Glass tube 1=5.5x35mm 2=5.5x38mm
| 1=250um bare fiber 2=900um loose tube 3=3mm loose tube 4=2mm loose tube | H=0.5m 8=0.8m 1=1.0m 5=1.5m 2=2.0m 3=3.0m 4=4.0m A=2.5m | 0=None 1=FC/UPC 2=FC/APC 3=LC/UPC 4=LC/APC 5=SC/APC 6=SC/UPC |
Ordering Information：
